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Which of the following is the reason for signal distortion?

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in Physics – Class 12 by (135k points)
Which of the following is the reason for signal distortion?

(a) Speed of the signal

(b) Wearing down of the essential elements

(c) Absence of a channel

(d) Channel imperfection

I have been asked this question in exam.

Question is from Elements of a Communication System in chapter Communication Systems of Physics – Class 12

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Best answer
The correct choice is (d) Channel imperfection

For explanation: Channel imperfection is that the reason for distortion when a transmitted signal propagates along the channel. Moreover, the receiver receives a corrupted version of the transmitted signal thanks to the addition of noise to the transmitted signal.

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